For a right triangle in which 
, it follows that 
.
Answer the following statement true (T) or false (F)
False
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Graph the horizontal or vertical line.y = 5
A. 
B. 
C. 
D. 
Iodine-131 is an isotope that is used to study the functioning of the thyroid gland. This isotope has a half-life (time required for half the material to erode) of approximately 6 days. If a patient is given an injection that contains 13 micrograms of iodine-131, what will be the iodine level in the patient after 8 days? Use the function 
, where A is the amount of the isotope, in micrograms, in the patient after t days. Round to the nearest tenth.
a. 3.9 micrograms b. 5.2 micrograms c. 6.0 micrograms d. 6.8 micrograms e. 7.6 micrograms
Evaluate the piecewise function at the given value of the independent variable.h(x) =
; h(1)
A. undefined B. 0 C. -2 D. 2
Find exactly all ?, with 0 ? ? < 2?, for which cos ? = 0.
What will be an ideal response?